The Coupler,drawbar,ring, cataloged under National Stock Number 2540-01-505-0528, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-505-0528 |
| Primary Part Number | 3518-13 |
| Item Name | Coupler,drawbar,ring |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Supplementary Features | MANUFACTURER STATES THAT ALL REPLACEMENT PARTS ARE INTERCHANGEABLE FOR ALL MHU-110/M MUNITIONS TRAILERS MADE OVER A 35 YEAR SPAN (1968-2003). |
| Style Designator | SLIP OVER W/HEAD ON BOLT HOLES |
| Shank End Thread Provision | UNTHREADED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3528 ITEM 3 | Pdi Ground Support Systems, Inc. (USA) |
| 3518-13 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
NSN 2540-01-505-0528 is a Coupler,drawbar,ring, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-505-0528 has 2 manufacturer part numbers on file: 3528 ITEM 3 (Pdi Ground Support Systems, Inc.), 3518-13 (Pdi Ground Support Systems, Inc.).
Key specifications for 3518-13: Supplementary Features: MANUFACTURER STATES THAT ALL REPLACEMENT PARTS ARE INTERCHANGEABLE FOR ALL MHU-110/M MUNITIONS TRAILERS MADE OVER A 35 YEAR SPAN (1968-2003).; Style Designator: SLIP OVER W/HEAD ON BOLT HOLES; Special Features: NHS 1730-01-461-4296 P/N 3528. USED ON MHU-110/M MUNITIONS TRAILER; End Item Identification: W/S SUPPORT EQUIPMENT, F-15 AIRCRAFT. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.